U.S. Geological Survey General Earthquake Observation System National Strong Motion Program

Permanente Rock Quarry, Cupertino, California GEOS Data

This site contains earthquake and aftershock data collected by the United States Geological Survey (USGS) General Earthquake Observation System (GEOS) project in Menlo Park, California.

For information on these recordings refer to USGS Open-File Report 86-330: Preliminary Report on High-Frequency Near-Source Recordings at Permanente Rock Quarry in Cupertino, California; by Christopher Dietel, 52 pages.

U.S. Department of the Interior
The USGS Home Page is at http://www.usgs.gov
The USGS Geologic Division Home Page is at http://geology.usgs.gov
The USGS National Strong Motion Program Home Page is at http://nsmp.wr.usgs.gov

The GEOS Home Page is at http://nsmp.wr.usgs.gov/GEOS/geos.html
The URL of this page is http://nsmp.wr.usgs.gov/GEOS/PERM/perm.html
e-mail: glassmoyer@usgs.gov
or address:
Gary Glassmoyer
345 Middlefield Road M/S 977
Menlo Park, California 94025